001package org.hl7.fhir.dstu3.hapi.rest.server;
002
003/*
004 * #%L
005 * HAPI FHIR Structures - DSTU2 (FHIR v1.0.0)
006 * %%
007 * Copyright (C) 2014 - 2015 University Health Network
008 * %%
009 * Licensed under the Apache License, Version 2.0 (the "License");
010 * you may not use this file except in compliance with the License.
011 * You may obtain a copy of the License at
012 * 
013 *      http://www.apache.org/licenses/LICENSE-2.0
014 * 
015 * Unless required by applicable law or agreed to in writing, software
016 * distributed under the License is distributed on an "AS IS" BASIS,
017 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
018 * See the License for the specific language governing permissions and
019 * limitations under the License.
020 * #L%
021 */
022
023import java.util.ArrayList;
024import java.util.Collections;
025import java.util.Comparator;
026import java.util.List;
027
028import javax.servlet.http.HttpServletRequest;
029
030import org.hl7.fhir.dstu3.model.IdType;
031import org.hl7.fhir.dstu3.model.StructureDefinition;
032import org.hl7.fhir.instance.model.api.IBaseResource;
033
034import ca.uhn.fhir.context.FhirContext;
035import ca.uhn.fhir.context.RuntimeResourceDefinition;
036import ca.uhn.fhir.rest.annotation.IdParam;
037import ca.uhn.fhir.rest.annotation.Read;
038import ca.uhn.fhir.rest.annotation.Search;
039import ca.uhn.fhir.rest.server.IResourceProvider;
040import ca.uhn.fhir.rest.server.RestfulServer;
041
042public class ServerProfileProvider implements IResourceProvider {
043
044        private final FhirContext myContext;
045        private final RestfulServer myRestfulServer;
046
047        public ServerProfileProvider(RestfulServer theServer) {
048                myContext = theServer.getFhirContext();
049                myRestfulServer = theServer;
050        }
051        
052        @Override
053        public Class<? extends IBaseResource> getResourceType() {
054                return StructureDefinition.class;
055        }
056        
057        @Read()
058        public StructureDefinition getProfileById(HttpServletRequest theRequest, @IdParam IdType theId) {
059                RuntimeResourceDefinition retVal = myContext.getResourceDefinitionById(theId.getIdPart());
060                if (retVal==null) {
061                        return null;
062                }
063                String serverBase = getServerBase(theRequest);
064                return (StructureDefinition) retVal.toProfile(serverBase);
065        }
066
067        @Search()
068        public List<StructureDefinition> getAllProfiles(HttpServletRequest theRequest) {
069                final String serverBase = getServerBase(theRequest);
070                List<RuntimeResourceDefinition> defs = new ArrayList<RuntimeResourceDefinition>(myContext.getResourceDefinitionsWithExplicitId());
071                Collections.sort(defs, new Comparator<RuntimeResourceDefinition>() {
072                        @Override
073                        public int compare(RuntimeResourceDefinition theO1, RuntimeResourceDefinition theO2) {
074                                int cmp = theO1.getName().compareTo(theO2.getName());
075                                if (cmp==0) {
076                                        cmp=theO1.getResourceProfile(serverBase).compareTo(theO2.getResourceProfile(serverBase));
077                                }
078                                return cmp;
079                        }});
080                ArrayList<StructureDefinition> retVal = new ArrayList<StructureDefinition>();
081                for (RuntimeResourceDefinition next : defs) {
082                        retVal.add((StructureDefinition) next.toProfile(serverBase));
083                }
084                return retVal;
085        }
086
087        private String getServerBase(HttpServletRequest theHttpRequest) {
088                return myRestfulServer.getServerBaseForRequest(theHttpRequest);
089        }
090}